package com.gs.m_home.model

import android.content.Context
import android.util.Log
import com.google.gson.Gson
import com.gs.common.API
import com.gs.common.callback.HttpCallback
import com.gs.common.constant.HttpCode
import com.gs.common.constant.StateCode
import com.gs.common.global.GlobalVariables
import com.gs.common.data.Good
import okhttp3.Call
import okhttp3.Response
import org.json.JSONObject
import java.net.ConnectException
import java.net.SocketTimeoutException

class ShoppingModel(context: Context) {

    private val api by lazy { API.getInstance() }

    fun getGoods(block: (Int) -> Unit) {
        block.invoke(StateCode.STATE_LOADING)
        api.getGoods(object : HttpCallback{
            override fun onSuccess(call: Call, result: String, response: Response) {
                val cookies = response.header("Set-Cookie")
                Log.d("cookies", "$cookies")
                val resultJSON = JSONObject(result)
                Log.d("result", result)
                Log.d("code", "${resultJSON["code"]}")
                if (resultJSON["code"] == HttpCode.SUCCESS_CODE) {
                    val msgJSON = JSONObject(resultJSON["msg"].toString())
                    val goodsListString = msgJSON["list"].toString()
                    val gson = Gson()
                    val goodsList =
                        gson.fromJson(goodsListString, Array<Good>::class.java).toList()
                    Log.d("goods", goodsList.toString())
                    GlobalVariables.goodsList = goodsList
                    block.invoke(StateCode.STATE_SUCCESS)
                    return
                }
                block.invoke(StateCode.STATE_FAILED)
            }

            override fun onError(call: Call, e: Exception) {
                when(e) {
                    is ConnectException -> {
                        block.invoke(StateCode.NETWORK_ERROR)
                    }
                    is SocketTimeoutException -> {
                        block.invoke(StateCode.SERVER_ERROR)
                    }
                    else -> {
                        block.invoke(StateCode.UNKNOWN_ERROR)
                    }
                }
            }

        })
    }

    fun getGoodsByQuery(query: String, block: (Int) -> Unit) {
        block.invoke(StateCode.STATE_LOADING)
        api.getGoodsLikeTitleOrLikeDetailTitle(query, object : HttpCallback{
            override fun onSuccess(call: Call, result: String, response: Response) {
                val cookies = response.header("Set-Cookie")
                Log.d("cookies", "$cookies")
                val resultJSON = JSONObject(result)
                Log.d("result", result)
                Log.d("code", "${resultJSON["code"]}")
                if (resultJSON["code"] == HttpCode.SUCCESS_CODE) {
                    val msgJSON = JSONObject(resultJSON["msg"].toString())
                    val goodsListString = msgJSON["list"].toString()
                    val gson = Gson()
                    val goodsList =
                        gson.fromJson(goodsListString, Array<Good>::class.java).toList()
                    Log.d("goods", goodsList.toString())
                    GlobalVariables.goodsList = goodsList
                    block.invoke(StateCode.STATE_SUCCESS)
                    return
                }
                block.invoke(StateCode.STATE_FAILED)
            }

            override fun onError(call: Call, e: Exception) {
                when(e) {
                    is ConnectException -> {
                        block.invoke(StateCode.NETWORK_ERROR)
                    }
                    is SocketTimeoutException -> {
                        block.invoke(StateCode.SERVER_ERROR)
                    }
                    else -> {
                        block.invoke(StateCode.UNKNOWN_ERROR)
                    }
                }
            }

        })
    }

    companion object{
        private var instance: ShoppingModel? = null
        fun getInstance(context: Context): ShoppingModel {
            if (instance == null) {
                synchronized(this::class) {
                    if (instance == null) {
                        instance = ShoppingModel(context)
                    }
                }
            }
            return instance!!
        }
    }
}